The key to happiness is to have dreams. The key to success is to make your dreams come true.

The best way to predict the future is to create it.

化工行业必须在可持续发展方面引领潮流，我们的未来取决于此。

种一棵树最好的时间是二十年前，其次是现在。

每一本书都是通往另一个世界的门。